327D.12  Charges to be reasonable.
  All rates and charges made for any service rendered or to be rendered in the transportation of passengers or property in this state, or for the receiving, delivering, storage, or handling of such property, shall be reasonable and just.
[C97, §2123; C24, 27, 31, 35, 39, §8048; C46, 50, 54, 58, 62, 66, 71, 73, 75, §479.13; C77, 79, 81, §327D.12]